Keys for musical instrument



1.1 is a front view of keys for musical instrument bearing the new design;

1.2 is a back view thereof;

1.3 is a left side view thereof;

1.4 is a right side view thereof;

1.5 is a top view thereof;

1.6 is a bottom view thereof;

1.7 is a perspective view thereof;

1.8 is a partially enlarged bottom view thereof; and

1.9 is a partially enlarged perspective view thereof.

The broken lines are included for the purpose of showing portions of the keys for musical instruments and form no part of the claimed design. The alternative long and short dash lines in the reproductions define boundaries of the claimed design and the part that does not constitute the claimed design. 

CLAIM The ornamental design for keys for musical instrument, as shown and described. 